Ross County, Ohio tornadoes

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16confirmed tornadoes since NOAA records began in 1950 (the first here in 1954). Most recent: March 3, 2023, EF0. 2026 so far: 0 preliminary reports preliminary

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Map

Every tornado path in the county

Tornado paths, 1950 to 2025
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(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5Unrated

Each path is a straight line from where the tornado started to where it ended, which is all most NOAA records hold. Tap a path for its details.

Recent warnings

Recent warnings in Ross County

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The record

At a glance

Total161950 to 2025
Per year0.2average since 1950
Peak monthMay4 of 16
StrongestF3Oct 13, 1999
Deaths0whole paths, see note
Injuries20whole paths, see note

Deaths and injuries are NOAA's totals for each tornado's whole path, which can extend beyond Ross County.

Seasons

When tornadoes hit here

By month

40 Jan: 0Feb: 0Mar: 2Apr: 0May: 4Jun: 2Jul: 1Aug: 2Sep: 0Oct: 4Nov: 0Dec: 1JanFebMarAprMayJunJulAugSepOctNovDec

May is the peak month, with 4 of 16 tornadoes.

By time of day

30 12 AM: 0: 0: 03 AM: 0: 0: 06 AM: 0: 0: 09 AM: 0: 0: 012 PM: 0: 1: 33 PM: 2: 2: 36 PM: 0: 2: 09 PM: 0: 0: 312 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 2:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

30 1950: 0: 0: 0: 0: 1: 0: 0: 0: 0: 01960: 0: 0: 1: 0: 0: 0: 0: 0: 0: 01970: 1: 0: 0: 1: 0: 0: 0: 0: 0: 01980: 0: 0: 1: 1: 0: 0: 0: 0: 0: 01990: 0: 0: 0: 0: 0: 0: 0: 1: 0: 12000: 0: 0: 0: 0: 1: 0: 0: 0: 0: 22010: 0: 0: 0: 0: 0: 0: 0: 0: 0: 02020: 1: 3: 0: 1: 0: 019501960197019801990200020102020

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones.

By rating

EF0
5
EF1
8
EF2
2
EF3
1

Ratings before February 2007 use the original F scale; the numbers line up with today's EF scale. Unknown means NOAA could not assign a rating.

The record

Notable tornadoes

Strongest

F3, October 13, 1999

3.6 mile path Longest path

35.7 miles, F1

December 26, 1973, whole path Widest

500 yards, F1

May 14, 1997
Every tornado

All 16 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Mar 3, 2023EF00.83 mi50 yd00
Oct 15, 2021EF03.42 mi75 yd00
Oct 15, 2021EF20.86 mi100 yd00
Oct 15, 2021EF00.12 mi20 yd01
Jun 10, 2020EF05.9 mi300 yd00
Aug 20, 2009EF00.25 mi20 yd00
Jul 11, 2009EF13.07 mi440 yd00
May 27, 2004F13 mi50 yd01
Oct 13, 1999F33.6 min/a06
May 14, 1997F125 mi500 yd00
May 2, 1983F16 mi83 yd03
Aug 24, 1982F13.5 mi50 yd05
Dec 26, 1973F135.7 mi10 yd04
Jun 14, 1970F10.1 mi150 yd00
May 26, 1962F20.1 mi10 yd00
Mar 19, 1954F11 mi33 yd00
Nearby

Nearby counties

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Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025, and SPC preliminary reports for 2026. Page built October 13, 2026.